/* Core dump and executable file functions above target vector, for GDB.
- Copyright (C) 1986-2014 Free Software Foundation, Inc.
+ Copyright (C) 1986-2016 Free Software Foundation, Inc.
This file is part of GDB.
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
-#include <string.h>
-#include <errno.h>
#include <signal.h>
#include <fcntl.h>
#include "inferior.h"
#include "dis-asm.h"
#include <sys/stat.h>
#include "completer.h"
-#include "exceptions.h"
#include "observer.h"
#include "cli/cli-utils.h"
/* Local function declarations. */
extern void _initialize_core (void);
-static void call_extra_exec_file_hooks (char *filename);
/* You can have any number of hooks for `exec_file_command' command to
call. If there's only one hook, it is set in exec_file_display
only one hook could be set, and which called
deprecated_exec_file_display_hook directly. */
-typedef void (*hook_type) (char *);
+typedef void (*hook_type) (const char *);
hook_type deprecated_exec_file_display_hook; /* The original hook. */
static hook_type *exec_file_extra_hooks; /* Array of additional
functions. */
static void
-call_extra_exec_file_hooks (char *filename)
+call_extra_exec_file_hooks (const char *filename)
{
int i;
This is called from the x-window display code. */
void
-specify_exec_file_hook (void (*hook) (char *))
+specify_exec_file_hook (void (*hook) (const char *))
{
hook_type *new_array;
{
/* If this is the first extra hook, initialize the hook
array. */
- exec_file_extra_hooks = (hook_type *)
- xmalloc (sizeof (hook_type));
+ exec_file_extra_hooks = XNEW (hook_type);
exec_file_extra_hooks[0] = deprecated_exec_file_display_hook;
deprecated_exec_file_display_hook = call_extra_exec_file_hooks;
exec_file_hook_count = 1;
status = target_read_stack (memaddr, myaddr, len);
if (status != 0)
- memory_error (status, memaddr);
+ memory_error (TARGET_XFER_E_IO, memaddr);
}
/* Same as target_read_code, but report an error if can't read. */
status = target_read_code (memaddr, myaddr, len);
if (status != 0)
- memory_error (status, memaddr);
-}
-
-/* Argument / return result struct for use with
- do_captured_read_memory_integer(). MEMADDR and LEN are filled in
- by gdb_read_memory_integer(). RESULT is the contents that were
- successfully read from MEMADDR of length LEN. */
-
-struct captured_read_memory_integer_arguments
-{
- CORE_ADDR memaddr;
- int len;
- enum bfd_endian byte_order;
- LONGEST result;
-};
-
-/* Helper function for gdb_read_memory_integer(). DATA must be a
- pointer to a captured_read_memory_integer_arguments struct.
- Return 1 if successful. Note that the catch_errors() interface
- will return 0 if an error occurred while reading memory. This
- choice of return code is so that we can distinguish between
- success and failure. */
-
-static int
-do_captured_read_memory_integer (void *data)
-{
- struct captured_read_memory_integer_arguments *args
- = (struct captured_read_memory_integer_arguments*) data;
- CORE_ADDR memaddr = args->memaddr;
- int len = args->len;
- enum bfd_endian byte_order = args->byte_order;
-
- args->result = read_memory_integer (memaddr, len, byte_order);
-
- return 1;
+ memory_error (TARGET_XFER_E_IO, memaddr);
}
/* Read memory at MEMADDR of length LEN and put the contents in
enum bfd_endian byte_order,
LONGEST *return_value)
{
- int status;
- struct captured_read_memory_integer_arguments args;
-
- args.memaddr = memaddr;
- args.len = len;
- args.byte_order = byte_order;
+ gdb_byte buf[sizeof (LONGEST)];
- status = catch_errors (do_captured_read_memory_integer, &args,
- "", RETURN_MASK_ALL);
- if (status)
- *return_value = args.result;
+ if (target_read_memory (memaddr, buf, len))
+ return 0;
- return status;
+ *return_value = extract_signed_integer (buf, len, byte_order);
+ return 1;
}
LONGEST
CORE_ADDR
read_memory_typed_address (CORE_ADDR addr, struct type *type)
{
- gdb_byte *buf = alloca (TYPE_LENGTH (type));
+ gdb_byte *buf = (gdb_byte *) alloca (TYPE_LENGTH (type));
read_memory (addr, buf, TYPE_LENGTH (type));
return extract_typed_address (buf, type);
}
-/* Same as target_write_memory, but report an error if can't
- write. */
+/* See gdbcore.h. */
+
void
write_memory (CORE_ADDR memaddr,
const bfd_byte *myaddr, ssize_t len)
status = target_write_memory (memaddr, myaddr, len);
if (status != 0)
- memory_error (status, memaddr);
+ memory_error (TARGET_XFER_E_IO, memaddr);
}
/* Same as write_memory, but notify 'memory_changed' observers. */
enum bfd_endian byte_order,
ULONGEST value)
{
- gdb_byte *buf = alloca (len);
+ gdb_byte *buf = (gdb_byte *) alloca (len);
store_unsigned_integer (buf, len, byte_order, value);
write_memory (addr, buf, len);
enum bfd_endian byte_order,
LONGEST value)
{
- gdb_byte *buf = alloca (len);
+ gdb_byte *buf = (gdb_byte *) alloca (len);
store_signed_integer (buf, len, byte_order, value);
write_memory (addr, buf, len);
for (last = 0; bfd_targets[last] != NULL; ++last)
;
- bfd_targets = xrealloc (bfd_targets, (last + 2) * sizeof (const char **));
+ bfd_targets = XRESIZEVEC (const char *, bfd_targets, last + 2);
bfd_targets[last] = "auto";
bfd_targets[last + 1] = NULL;
}